C
This is because 10+5=15
15/45=0.3
Answer:
work out if it's either going to sink or float
Explanation:
this can be carried out by calculating the numbers
Start by adding the numbers then divide
The reaction for magnesium iodide when put into water is as below
MgI2(s) → Mg^2+(aq) + 2I^-(aq)
when magnesium iodide but into water it dissociate/ ionize completely into Mg^2+ and 2l^- ions. Magnesium iodide dissociate/ionize completely because magnesium iodide is a strong electrolyte which dissociate/ ionize completely into their ions when it is put into water .
<span>The bonding found in calcium chloride is i</span>onic bonds.
I hope this helps!
